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<h1 class="topictitle1">The Interval Between "Prepare the NAS file system" and "Start backing up VM" Is Too Long in a Backup Job</h1>
<div><div class="section"><h4 class="sectiontitle">Symptom</h4><p>During VMware VM backup, the interval between "Prepare the NAS file system" and "Start backing up VM" is too long (exceeding the number of disks on the VMs to be backed up multiplied by 2 minutes).</p>
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<div class="section"><h4 class="sectiontitle">Possible Causes</h4><p>The production storage is Huawei OceanStor Dorado, but Huawei multipathing software is not installed and OceanStor Dorado is not added to the <span>OceanProtect</span> as external storage.</p>
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<div class="section"><h4 class="sectiontitle">Troubleshooting</h4><p>Install the Huawei multipathing software. For details, see "Installing Huawei UltraPath" in the <i><cite>OceanProtect DataBackup 1.5.0-1.6.0 Client Installation Guide</cite></i>.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000002200054965.html">FAQs</a></div>
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